| // Copyright 2020 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/browser/ash/crosapi/browser_manager.h" |
| |
| #include <fcntl.h> |
| #include <unistd.h> |
| |
| #include <cstdint> |
| #include <memory> |
| #include <optional> |
| #include <string> |
| #include <string_view> |
| #include <utility> |
| #include <vector> |
| |
| #include "ash/constants/ash_features.h" |
| #include "ash/constants/ash_switches.h" |
| #include "ash/public/cpp/notification_utils.h" |
| #include "ash/strings/grit/ash_strings.h" |
| #include "ash/wm/desks/desks_util.h" |
| #include "base/base_switches.h" |
| #include "base/check.h" |
| #include "base/check_is_test.h" |
| #include "base/command_line.h" |
| #include "base/debug/dump_without_crashing.h" |
| #include "base/environment.h" |
| #include "base/feature_list.h" |
| #include "base/files/file.h" |
| #include "base/files/file_path.h" |
| #include "base/files/file_util.h" |
| #include "base/files/platform_file.h" |
| #include "base/functional/bind.h" |
| #include "base/functional/callback.h" |
| #include "base/functional/callback_helpers.h" |
| #include "base/json/json_file_value_serializer.h" |
| #include "base/logging.h" |
| #include "base/memory/ptr_util.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/metrics/histogram_functions.h" |
| #include "base/metrics/histogram_macros.h" |
| #include "base/notreached.h" |
| #include "base/path_service.h" |
| #include "base/posix/eintr_wrapper.h" |
| #include "base/process/launch.h" |
| #include "base/process/process_handle.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/string_split.h" |
| #include "base/strings/stringprintf.h" |
| #include "base/task/sequenced_task_runner.h" |
| #include "base/task/task_traits.h" |
| #include "base/task/thread_pool.h" |
| #include "base/threading/thread_restrictions.h" |
| #include "base/trace_event/trace_event.h" |
| #include "build/build_config.h" |
| #include "build/chromeos_buildflags.h" |
| #include "chrome/browser/apps/app_service/app_service_proxy_factory.h" |
| #include "chrome/browser/ash/crosapi/browser_action.h" |
| #include "chrome/browser/ash/crosapi/browser_data_migrator.h" |
| #include "chrome/browser/ash/crosapi/browser_data_migrator_util.h" |
| #include "chrome/browser/ash/crosapi/browser_launcher.h" |
| #include "chrome/browser/ash/crosapi/browser_loader.h" |
| #include "chrome/browser/ash/crosapi/browser_service_host_ash.h" |
| #include "chrome/browser/ash/crosapi/browser_util.h" |
| #include "chrome/browser/ash/crosapi/crosapi_ash.h" |
| #include "chrome/browser/ash/crosapi/crosapi_manager.h" |
| #include "chrome/browser/ash/crosapi/crosapi_util.h" |
| #include "chrome/browser/ash/crosapi/desk_template_ash.h" |
| #include "chrome/browser/ash/crosapi/files_app_launcher.h" |
| #include "chrome/browser/ash/crosapi/test_mojo_connection_manager.h" |
| #include "chrome/browser/ash/policy/core/browser_policy_connector_ash.h" |
| #include "chrome/browser/ash/policy/core/device_local_account_policy_service.h" |
| #include "chrome/browser/ash/policy/core/user_cloud_policy_manager_ash.h" |
| #include "chrome/browser/ash/profiles/profile_helper.h" |
| #include "chrome/browser/browser_process.h" |
| #include "chrome/browser/browser_process_platform_part_ash.h" |
| #include "chrome/browser/component_updater/cros_component_manager.h" |
| #include "chrome/browser/notifications/system_notification_helper.h" |
| #include "chrome/browser/profiles/profile_manager.h" |
| #include "chrome/browser/ui/ash/shelf/chrome_shelf_controller.h" |
| #include "chrome/browser/ui/browser_navigator_params.h" |
| #include "chrome/common/channel_info.h" |
| #include "chrome/common/chrome_features.h" |
| #include "chrome/common/chrome_paths.h" |
| #include "chromeos/ash/components/browser_context_helper/browser_context_helper.h" |
| #include "chromeos/ash/components/standalone_browser/browser_support.h" |
| #include "chromeos/ash/components/standalone_browser/migrator_util.h" |
| #include "chromeos/crosapi/cpp/crosapi_constants.h" |
| #include "chromeos/crosapi/cpp/lacros_startup_state.h" |
| #include "chromeos/crosapi/mojom/crosapi.mojom-shared.h" |
| #include "components/account_id/account_id.h" |
| #include "components/crash/core/common/crash_key.h" |
| #include "components/feature_engagement/public/tracker.h" |
| #include "components/nacl/common/buildflags.h" |
| #include "components/policy/core/common/cloud/cloud_policy_core.h" |
| #include "components/policy/core/common/cloud/cloud_policy_refresh_scheduler.h" |
| #include "components/policy/core/common/cloud/cloud_policy_store.h" |
| #include "components/policy/core/common/cloud/component_cloud_policy_service.h" |
| #include "components/policy/core/common/values_util.h" |
| #include "components/policy/proto/device_management_backend.pb.h" |
| #include "components/prefs/pref_service.h" |
| #include "components/session_manager/core/session_manager.h" |
| #include "components/user_manager/device_ownership_waiter.h" |
| #include "components/user_manager/known_user.h" |
| #include "components/user_manager/user.h" |
| #include "components/user_manager/user_manager.h" |
| #include "components/user_manager/user_type.h" |
| #include "components/version_info/version_info.h" |
| #include "mojo/public/cpp/bindings/pending_remote.h" |
| #include "ui/base/l10n/l10n_util.h" |
| #include "ui/display/screen.h" |
| #include "ui/message_center/public/cpp/notification_delegate.h" |
| |
| // TODO(crbug.com/40703689): Currently, this source has log spamming |
| // by LOG(WARNING) for non critical errors to make it easy |
| // to debug and develop. Get rid of the log spamming |
| // when it gets stable enough. |
| |
| namespace crosapi { |
| |
| namespace { |
| |
| // The names of the UMA metrics to track Daily LaunchMode changes. |
| const char kLacrosLaunchModeDaily[] = "Ash.Lacros.Launch.Mode.Daily"; |
| const char kLacrosLaunchModeAndSourceDaily[] = |
| "Ash.Lacros.Launch.ModeAndSource.Daily"; |
| |
| // Used to get field data on how much users have migrated to Lacros. |
| const char kLacrosMigrationStatus[] = "Ash.LacrosMigrationStatus2"; |
| const char kLacrosMigrationStatusDaily[] = "Ash.LacrosMigrationStatus2.Daily"; |
| |
| // The interval at which the daily UMA reporting function should be |
| // called. De-duping of events will be happening on the server side. |
| constexpr base::TimeDelta kDailyLaunchModeTimeDelta = base::Minutes(30); |
| |
| // Pointer to the global instance of BrowserManager. |
| BrowserManager* g_instance = nullptr; |
| |
| // Global flag to disable most of BrowserManager for testing. |
| // Read by the BrowserManager constructor. |
| bool g_disabled_for_testing = false; |
| |
| constexpr char kLacrosCannotLaunchNotificationID[] = |
| "lacros_cannot_launch_notification_id"; |
| constexpr char kLacrosLauncherNotifierID[] = "lacros_launcher"; |
| |
| |
| void SetLaunchOnLoginPref(bool launch_on_login) { |
| ProfileManager::GetPrimaryUserProfile()->GetPrefs()->SetBoolean( |
| browser_util::kLaunchOnLoginPref, launch_on_login); |
| } |
| |
| bool GetLaunchOnLoginPref() { |
| return ProfileManager::GetPrimaryUserProfile()->GetPrefs()->GetBoolean( |
| browser_util::kLaunchOnLoginPref); |
| } |
| |
| bool IsKeepAliveDisabledForTesting() { |
| return base::CommandLine::ForCurrentProcess()->HasSwitch( |
| ash::switches::kDisableLacrosKeepAliveForTesting); |
| } |
| |
| bool IsLoginLacrosOpeningDisabledForTesting() { |
| return base::CommandLine::ForCurrentProcess()->HasSwitch( |
| ash::switches::kDisableLoginLacrosOpening); |
| } |
| |
| void WarnThatLacrosNotAllowedToLaunch() { |
| LOG(WARNING) << "Lacros enabled but not allowed to launch"; |
| message_center::Notification notification = ash::CreateSystemNotification( |
| message_center::NOTIFICATION_TYPE_SIMPLE, |
| kLacrosCannotLaunchNotificationID, |
| /*title=*/std::u16string(), |
| l10n_util::GetStringUTF16(IDS_LACROS_CANNOT_LAUNCH_MULTI_SIGNIN_MESSAGE), |
| /* display_source= */ std::u16string(), GURL(), |
| message_center::NotifierId( |
| message_center::NotifierType::SYSTEM_COMPONENT, |
| kLacrosLauncherNotifierID, |
| ash::NotificationCatalogName::kLacrosCannotLaunch), |
| message_center::RichNotificationData(), |
| base::MakeRefCounted<message_center::HandleNotificationClickDelegate>( |
| base::RepeatingClosure()), |
| gfx::kNoneIcon, message_center::SystemNotificationWarningLevel::NORMAL); |
| SystemNotificationHelper::GetInstance()->Display(notification); |
| } |
| |
| void RecordLacrosEnabledForPrimaryUser(bool enabled) { |
| const user_manager::User* user = |
| user_manager::UserManager::Get()->GetPrimaryUser(); |
| user_manager::KnownUser(g_browser_process->local_state()) |
| .SetLacrosEnabled(user->GetAccountId(), enabled); |
| } |
| |
| // Returns true if Lacros is enabled for any user, according to the |
| // KnownUser's LacrosEnabled local state preference. |
| // This function is used to determine if Lacros should be enabled for prelaunch. |
| bool IsLacrosEnabledByAnyUserForPrelaunch() { |
| return user_manager::KnownUser(g_browser_process->local_state()) |
| .GetLacrosEnabledForAnyUser(); |
| } |
| |
| bool ShouldPrelaunchLacrosAtLoginScreen() { |
| // Only prelaunch if the corresponding feature is enabled. |
| if (!base::FeatureList::IsEnabled(browser_util::kLacrosLaunchAtLoginScreen)) { |
| LOG(WARNING) |
| << "Lacros will not be prelaunched: prelaunching feature is disabled"; |
| return false; |
| } |
| |
| // If the CPU of the device does not support running Lacros, |
| // prelaunching should be blocked too. |
| if (!ash::standalone_browser::BrowserSupport::IsCpuSupported()) { |
| LOG(WARNING) << "Lacros will not be prelaunched: CPU is not supported"; |
| return false; |
| } |
| |
| // We only want to pre-launch Lacros if Ash is launched in login |
| // manager mode. When the `kLoginUser` switch is passed, we are |
| // restarting the session for an already logged in user, either in |
| // production, or after PRE_ tests. In both of those cases, the user |
| // is already logged in, and we do not want Lacros to prelaunch. |
| // Originally introduced because of https://crbug.com/1432779, which |
| // causes PRE_ tests to restart back to login screen, but with the |
| // user still "logged in" (UserManager::IsUserLoggedIn() == true). |
| const auto* cmdline = base::CommandLine::ForCurrentProcess(); |
| if (cmdline->HasSwitch(ash::switches::kLoginUser)) { |
| LOG(WARNING) |
| << "Lacros will not be prelaunched: `login-user` switch was passed"; |
| return false; |
| } |
| |
| // If Lacros is not enabled for any user, don't prelaunch it, unless |
| // a switch to force prelaunching was passed. |
| const bool force_prelaunch = cmdline->HasSwitch( |
| ash::switches::kForceLacrosLaunchAtLoginScreenForTesting); |
| if (!force_prelaunch && !IsLacrosEnabledByAnyUserForPrelaunch()) { |
| LOG(WARNING) |
| << "Lacros will not be prelaunched: no user has Lacros enabled"; |
| return false; |
| } |
| |
| return true; |
| } |
| |
| // TODO(b/330659545): Investigate why we cannot run this inside |
| // OnUserProfileCreated. |
| void PrepareLacrosPolicies(BrowserManager* manager) { |
| const user_manager::User* user = |
| user_manager::UserManager::Get()->GetPrimaryUser(); |
| if (!user) { |
| LOG(ERROR) << "No primary user."; |
| return; |
| } |
| |
| // The lifetime of `BrowserManager` is longer than lifetime of various |
| // classes, for which we register as an observer below. The RemoveObserver |
| // function is therefore called in various handlers invoked by those classes |
| // and not in the destructor. |
| policy::CloudPolicyCore* core = |
| browser_util::GetCloudPolicyCoreForUser(*user); |
| if (core) { |
| core->AddObserver(manager); |
| if (core->refresh_scheduler()) { |
| core->refresh_scheduler()->AddObserver(manager); |
| } |
| |
| policy::CloudPolicyStore* store = core->store(); |
| if (store && store->policy_fetch_response()) { |
| store->AddObserver(manager); |
| } |
| } |
| |
| policy::ComponentCloudPolicyService* component_policy_service = |
| browser_util::GetComponentCloudPolicyServiceForUser(*user); |
| if (component_policy_service) { |
| component_policy_service->AddObserver(manager); |
| } |
| } |
| |
| // The delegate keeps track of the most recent lacros-chrome binary version |
| // loaded by the BrowserLoader. |
| // It is the single source of truth for what is the most up-to-date launchable |
| // version of lacros-chrome. It should be queried when determining if loading a |
| // more recent lacros-chrome binary should be attempted. |
| class BrowserVersionServiceDelegate : public BrowserVersionServiceAsh::Delegate, |
| public BrowserManagerObserver { |
| public: |
| BrowserVersionServiceDelegate( |
| const ComponentUpdateService* component_update_service, |
| BrowserManager* browser_manager) |
| : component_update_service_(component_update_service) { |
| observation_.Observe(browser_manager); |
| } |
| BrowserVersionServiceDelegate(const BrowserVersionServiceDelegate&) = delete; |
| BrowserVersionServiceDelegate& operator=( |
| const BrowserVersionServiceDelegate&) = delete; |
| ~BrowserVersionServiceDelegate() override = default; |
| |
| // BrowserVersionServiceAsh::Delegate: |
| base::Version GetLatestLaunchableBrowserVersion() const override { |
| // If there is a newer browser available return the version of lacros-chrome |
| // maintained by the component manager. Otherwise return the current version |
| // loaded by the manager. |
| if (IsNewerBrowserAvailable()) { |
| const auto component_version_number = |
| browser_util::GetInstalledLacrosComponentVersion( |
| component_update_service_); |
| CHECK(component_version_number.IsValid()); |
| return component_version_number; |
| } |
| return browser_version_loaded_; |
| } |
| |
| bool IsNewerBrowserAvailable() const override { |
| // If the browser loader is not able to load newer stateful component builds |
| // signal there is no update available. |
| if (!BrowserLoader::WillLoadStatefulComponentBuilds()) { |
| return false; |
| } |
| |
| const auto component_version_number = |
| browser_util::GetInstalledLacrosComponentVersion( |
| component_update_service_); |
| return (!browser_version_loaded_.IsValid() && |
| component_version_number.IsValid()) || |
| (browser_version_loaded_.IsValid() && |
| component_version_number.IsValid() && |
| browser_version_loaded_ < component_version_number); |
| } |
| |
| // crosapi::BrowserManagerObserver: |
| void OnLoadComplete(bool success, const base::Version& version) override { |
| browser_version_loaded_ = version; |
| } |
| |
| private: |
| // Version number of the most recently loaded lacros-chrome browser. This |
| // can be used for version checking and version comparisons. It is in the |
| // format of: |
| // <major_version>.<minor_version>.<build>.<patch> |
| // For example, "86.0.4240.38". |
| // Set immediately after lacros has loaded. May be invalid if BrowserLoader |
| // fails to successfully load a lacros binary. |
| base::Version browser_version_loaded_; |
| |
| const raw_ptr<const ComponentUpdateService> component_update_service_; |
| |
| base::ScopedObservation<BrowserManager, BrowserManagerObserver> observation_{ |
| this}; |
| }; |
| |
| } // namespace |
| |
| // static |
| BrowserManager* BrowserManager::Get() { |
| return g_instance; |
| } |
| |
| BrowserManager::BrowserManager( |
| scoped_refptr<component_updater::CrOSComponentManager> manager) |
| : BrowserManager(std::make_unique<BrowserLoader>(manager), |
| g_browser_process->component_updater()) {} |
| |
| BrowserManager::BrowserManager( |
| std::unique_ptr<BrowserLoader> browser_loader, |
| component_updater::ComponentUpdateService* update_service) |
| : browser_loader_(std::move(browser_loader)), |
| launch_at_login_screen_(ShouldPrelaunchLacrosAtLoginScreen()), |
| disabled_for_testing_(g_disabled_for_testing) { |
| DCHECK(!g_instance); |
| g_instance = this; |
| version_service_delegate_ = |
| std::make_unique<BrowserVersionServiceDelegate>(update_service, this); |
| |
| // Wait to query the flag until the user has entered the session. Enterprise |
| // devices restart Chrome during login to apply flags. We don't want to run |
| // the flag-off cleanup logic until we know we have the final flag state. |
| if (session_manager::SessionManager::Get()) { |
| session_manager::SessionManager::Get()->AddObserver(this); |
| } |
| |
| if (ash::SessionManagerClient::Get()) { |
| ash::SessionManagerClient::Get()->AddObserver(this); |
| } |
| |
| if (CrosapiManager::IsInitialized()) { |
| CrosapiManager::Get() |
| ->crosapi_ash() |
| ->browser_service_host_ash() |
| ->AddObserver(this); |
| } else { |
| CHECK_IS_TEST(); |
| } |
| |
| // UserManager may not be initialized for unit tests. |
| if (user_manager::UserManager::IsInitialized()) { |
| user_manager_observation_.Observe(user_manager::UserManager::Get()); |
| } |
| |
| std::string socket_path = |
| base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII( |
| ash::switches::kLacrosMojoSocketForTesting); |
| if (!socket_path.empty()) { |
| test_mojo_connection_manager_ = |
| std::make_unique<crosapi::TestMojoConnectionManager>( |
| base::FilePath(socket_path)); |
| } |
| } |
| |
| BrowserManager::~BrowserManager() { |
| if (CrosapiManager::IsInitialized()) { |
| CrosapiManager::Get() |
| ->crosapi_ash() |
| ->browser_service_host_ash() |
| ->RemoveObserver(this); |
| } |
| |
| // Unregister, just in case the manager is destroyed before |
| // OnUserSessionStarted() is called. |
| if (session_manager::SessionManager::Get()) { |
| session_manager::SessionManager::Get()->RemoveObserver(this); |
| } |
| |
| // Try to kill the lacros-chrome binary. |
| browser_launcher_.TriggerTerminate(/*exit_code=*/0); |
| SetState(State::WAITING_FOR_MOJO_DISCONNECTED); |
| |
| DCHECK_EQ(g_instance, this); |
| g_instance = nullptr; |
| } |
| |
| bool BrowserManager::IsRunning() const { |
| return state_ == State::RUNNING; |
| } |
| |
| bool BrowserManager::IsRunningOrWillRun() const { |
| return state_ == State::RUNNING || state_ == State::STARTING || |
| state_ == State::PREPARING_FOR_LAUNCH || |
| state_ == State::WAITING_FOR_MOJO_DISCONNECTED || |
| state_ == State::WAITING_FOR_PROCESS_TERMINATED; |
| } |
| |
| bool BrowserManager::IsInitialized() const { |
| return state_ != State::NOT_INITIALIZED; |
| } |
| |
| void BrowserManager::NewWindow(bool incognito, |
| bool should_trigger_session_restore) { |
| int64_t target_display_id = |
| display::Screen::GetScreen()->GetDisplayForNewWindows().id(); |
| PerformOrEnqueue(BrowserAction::NewWindow( |
| incognito, should_trigger_session_restore, target_display_id, |
| ash::desks_util::GetActiveDeskLacrosProfileId())); |
| } |
| |
| void BrowserManager::OpenForFullRestore(bool skip_crash_restore) { |
| PerformOrEnqueue(BrowserAction::OpenForFullRestore(skip_crash_restore)); |
| } |
| |
| void BrowserManager::NewWindowForDetachingTab( |
| const std::u16string& tab_id_str, |
| const std::u16string& group_id_str, |
| NewWindowForDetachingTabCallback callback) { |
| PerformOrEnqueue(BrowserAction::NewWindowForDetachingTab( |
| tab_id_str, group_id_str, std::move(callback))); |
| } |
| |
| void BrowserManager::NewFullscreenWindow(const GURL& url, |
| NewFullscreenWindowCallback callback) { |
| int64_t target_display_id = |
| display::Screen::GetScreen()->GetDisplayForNewWindows().id(); |
| PerformOrEnqueue(BrowserAction::NewFullscreenWindow(url, target_display_id, |
| std::move(callback))); |
| } |
| |
| void BrowserManager::NewGuestWindow() { |
| int64_t target_display_id = |
| display::Screen::GetScreen()->GetDisplayForNewWindows().id(); |
| PerformOrEnqueue(BrowserAction::NewGuestWindow(target_display_id)); |
| } |
| |
| void BrowserManager::NewTab() { |
| PerformOrEnqueue( |
| BrowserAction::NewTab(ash::desks_util::GetActiveDeskLacrosProfileId())); |
| } |
| |
| void BrowserManager::Launch() { |
| int64_t target_display_id = |
| display::Screen::GetScreen()->GetDisplayForNewWindows().id(); |
| PerformOrEnqueue(BrowserAction::Launch( |
| target_display_id, ash::desks_util::GetActiveDeskLacrosProfileId())); |
| } |
| |
| void BrowserManager::OpenUrl( |
| const GURL& url, |
| crosapi::mojom::OpenUrlFrom from, |
| crosapi::mojom::OpenUrlParams::WindowOpenDisposition disposition, |
| NavigateParams::PathBehavior path_behavior) { |
| PerformOrEnqueue( |
| BrowserAction::OpenUrl(url, disposition, from, path_behavior)); |
| } |
| |
| void BrowserManager::OpenCaptivePortalSignin(const GURL& url) { |
| PerformOrEnqueue(BrowserAction::OpenCaptivePortalSignin(url)); |
| } |
| |
| void BrowserManager::SwitchToTab(const GURL& url, |
| NavigateParams::PathBehavior path_behavior) { |
| PerformOrEnqueue(BrowserAction::OpenUrl( |
| url, crosapi::mojom::OpenUrlParams::WindowOpenDisposition::kSwitchToTab, |
| crosapi::mojom::OpenUrlFrom::kUnspecified, path_behavior)); |
| } |
| |
| void BrowserManager::RestoreTab() { |
| PerformOrEnqueue(BrowserAction::RestoreTab()); |
| } |
| |
| void BrowserManager::HandleTabScrubbing(float x_offset, |
| bool is_fling_scroll_event) { |
| PerformOrEnqueue( |
| BrowserAction::HandleTabScrubbing(x_offset, is_fling_scroll_event)); |
| } |
| |
| void BrowserManager::CreateBrowserWithRestoredData( |
| const std::vector<GURL>& urls, |
| const gfx::Rect& bounds, |
| const std::vector<tab_groups::TabGroupInfo>& tab_group_infos, |
| ui::WindowShowState show_state, |
| int32_t active_tab_index, |
| int32_t first_non_pinned_tab_index, |
| const std::string& app_name, |
| int32_t restore_window_id, |
| uint64_t lacros_profile_id) { |
| PerformOrEnqueue(BrowserAction::CreateBrowserWithRestoredData( |
| urls, bounds, tab_group_infos, show_state, active_tab_index, |
| first_non_pinned_tab_index, app_name, restore_window_id, |
| lacros_profile_id)); |
| } |
| |
| void BrowserManager::OpenProfileManager() { |
| PerformOrEnqueue(BrowserAction::OpenProfileManager()); |
| } |
| |
| bool BrowserManager::EnsureLaunch() { |
| // This method can only ensure Lacros's launch if the user profile is already |
| // initialized. |
| auto* user = user_manager::UserManager::Get()->GetPrimaryUser(); |
| if (!user || !user->is_profile_created()) { |
| return false; |
| } |
| |
| switch (state_) { |
| case State::NOT_INITIALIZED: |
| case State::RELOADING: |
| LOG(WARNING) << "Ensuring Lacros launch: initialize and start"; |
| InitializeAndStartIfNeeded(); |
| return true; |
| |
| case State::PRE_LAUNCHED: |
| LOG(WARNING) << "Ensuring Lacros launch: resume pre-launched instance"; |
| ResumeLaunch(); |
| return true; |
| |
| case State::RUNNING: |
| LOG(WARNING) << "Ensuring Lacros launch: already running"; |
| return true; |
| |
| case State::STOPPED: |
| if (IsKeepAliveEnabled() || !pending_actions_.IsEmpty()) { |
| LOG(WARNING) << "Ensuring Lacros launch: currently stopped, but will " |
| "be restarted"; |
| } else { |
| LOG(WARNING) << "Ensuring Lacros launch: currently stopped, starting"; |
| StartIfNeeded(); |
| } |
| return true; |
| |
| case State::MOUNTING: |
| case State::PREPARING_FOR_LAUNCH: |
| case State::STARTING: |
| LOG(WARNING) |
| << "Ensuring Lacros launch: already in the process of starting"; |
| return true; |
| |
| case State::WAITING_FOR_MOJO_DISCONNECTED: |
| case State::WAITING_FOR_PROCESS_TERMINATED: |
| LOG(WARNING) |
| << "Ensuring Lacros launch: currently terminating, enqueueing launch"; |
| PerformOrEnqueue(BrowserAction::GetActionForSessionStart()); |
| return true; |
| |
| case State::UNAVAILABLE: |
| LOG(WARNING) << "Can't ensure Lacros launch: unavailable"; |
| return false; |
| } |
| } |
| |
| void BrowserManager::InitializeAndStartIfNeeded() { |
| DCHECK(state_ == State::NOT_INITIALIZED || state_ == State::RELOADING); |
| |
| // Ensure this isn't run multiple times. |
| session_manager::SessionManager::Get()->RemoveObserver(this); |
| |
| PrepareLacrosPolicies(this); |
| |
| // Perform the UMA recording for the current Lacros launch mode and migration |
| // status. |
| RecordLacrosLaunchModeAndMigrationStatus(); |
| |
| // As a switch between Ash and Lacros mode requires an Ash restart plus |
| // profile migration, the state will not change while the system is up. |
| // At this point we are starting Lacros for the first time and with that the |
| // operation mode is 'locked in'. |
| const bool is_lacros_enabled = browser_util::IsLacrosEnabled(); |
| crosapi::lacros_startup_state::SetLacrosStartupState(is_lacros_enabled); |
| // Keep track of whether Lacros is enabled for this user in Local State. |
| RecordLacrosEnabledForPrimaryUser(is_lacros_enabled); |
| |
| if (is_lacros_enabled) { |
| if (browser_util::IsLacrosAllowedToLaunch()) { |
| // Start Lacros automatically on login, if |
| // 1) Lacros was opened in the previous session; or |
| // 2) Lacros is the primary web browser. |
| // This can be suppressed via commandline flag for testing. |
| if (GetLaunchOnLoginPref() || !IsLoginLacrosOpeningDisabledForTesting()) { |
| pending_actions_.Push(BrowserAction::GetActionForSessionStart()); |
| } |
| SetState(State::MOUNTING); |
| browser_loader_->Load(base::BindOnce( |
| &BrowserManager::OnLoadComplete, weak_factory_.GetWeakPtr(), |
| /*launching_at_login_screen=*/false)); |
| } else { |
| SetState(State::UNAVAILABLE); |
| WarnThatLacrosNotAllowedToLaunch(); |
| } |
| } else { |
| SetState(State::UNAVAILABLE); |
| browser_loader_->Unload(); // NOTE: This deletes the user data dir. |
| } |
| |
| // Post `DryRunToCollectUMA()` to send UMA stats about sizes of files/dirs |
| // inside the profile data directory. |
| base::ThreadPool::PostTask( |
| FROM_HERE, |
| {base::MayBlock(), base::TaskShutdownBehavior::CONTINUE_ON_SHUTDOWN}, |
| base::BindOnce(&ash::browser_data_migrator_util::DryRunToCollectUMA, |
| ProfileManager::GetPrimaryUserProfile()->GetPath())); |
| } |
| |
| void BrowserManager::PrelaunchAtLoginScreen() { |
| // NOTE: This is a stripped-down version of |InitializeAndStartIfNeeded| which |
| // assumes Lacros is enabled and primary for the user that will log in. If it |
| // isn't, we can terminate it after login. |
| DCHECK_EQ(state_, State::NOT_INITIALIZED); |
| DCHECK_EQ(session_manager::SessionManager::Get()->session_state(), |
| session_manager::SessionState::LOGIN_PRIMARY); |
| DCHECK(!user_manager::UserManager::Get()->IsUserLoggedIn()); |
| |
| // Load and start Lacros. |
| SetState(State::MOUNTING); |
| browser_loader_->Load(base::BindOnce(&BrowserManager::OnLoadComplete, |
| weak_factory_.GetWeakPtr(), |
| /*launching_at_login_screen=*/true)); |
| } |
| |
| // TODO(neis): Create BrowserAction also for this and others, perhaps even |
| // UpdateKeepAlive. |
| void BrowserManager::GetFeedbackData(GetFeedbackDataCallback callback) { |
| CHECK_GE(browser_service_->interface_version, |
| crosapi::mojom::BrowserService::kGetFeedbackDataMinVersion); |
| browser_service_->service->GetFeedbackData(std::move(callback)); |
| } |
| |
| bool BrowserManager::GetHistogramsSupported() const { |
| return browser_service_.has_value() && |
| browser_service_->interface_version >= |
| crosapi::mojom::BrowserService::kGetHistogramsMinVersion; |
| } |
| |
| void BrowserManager::GetHistograms(GetHistogramsCallback callback) { |
| DCHECK(GetHistogramsSupported()); |
| browser_service_->service->GetHistograms(std::move(callback)); |
| } |
| |
| bool BrowserManager::GetActiveTabUrlSupported() const { |
| return browser_service_.has_value() && |
| browser_service_->interface_version >= |
| crosapi::mojom::BrowserService::kGetActiveTabUrlMinVersion; |
| } |
| |
| void BrowserManager::GetActiveTabUrl(GetActiveTabUrlCallback callback) { |
| DCHECK(GetActiveTabUrlSupported()); |
| browser_service_->service->GetActiveTabUrl(std::move(callback)); |
| } |
| |
| void BrowserManager::GetBrowserInformation( |
| const std::string& window_unique_id, |
| GetBrowserInformationCallback callback) { |
| crosapi::CrosapiManager::Get() |
| ->crosapi_ash() |
| ->desk_template_ash() |
| ->GetBrowserInformation(window_unique_id, std::move(callback)); |
| } |
| |
| void BrowserManager::AddObserver(BrowserManagerObserver* observer) { |
| observers_.AddObserver(observer); |
| } |
| |
| void BrowserManager::RemoveObserver(BrowserManagerObserver* observer) { |
| observers_.RemoveObserver(observer); |
| } |
| |
| void BrowserManager::Shutdown() { |
| // Lacros KeepAlive should be disabled once Shutdown() has been signalled. |
| // Further calls to `UpdateKeepAliveInBrowserIfNecessary()` will no-op after |
| // `shutdown_requested_` has been set. |
| UpdateKeepAliveInBrowserIfNecessary(false); |
| shutdown_requested_ = true; |
| shutdown_requested_while_prelaunched_ = (state_ == State::PRE_LAUNCHED); |
| pending_actions_.Clear(); |
| browser_launcher_.Shutdown(); |
| |
| // The lacros-chrome process may have already been terminated as the result of |
| // a previous mojo pipe disconnection in `OnMojoDisconnected()` and not yet |
| // restarted. If, on the other hand, process is alive, terminate it now. |
| if (browser_launcher_.TriggerTerminate(/*exit_code=*/0)) { |
| LOG(WARNING) << "Ash-chrome shutdown initiated. Terminating lacros-chrome"; |
| SetState(State::WAITING_FOR_PROCESS_TERMINATED); |
| |
| // Synchronously post a shutdown blocking task that waits for lacros-chrome |
| // to cleanly exit. Terminate() will eventually result in a callback into |
| // OnMojoDisconnected(), however this resolves asynchronously and there is a |
| // risk that ash exits before this is called. |
| // The 2.5s wait for a successful lacros exit stays below the 3s timeout |
| // after which ash is forcefully terminated by the session_manager. |
| EnsureLacrosChromeTermination(base::Milliseconds(2500)); |
| } |
| } |
| |
| void BrowserManager::set_device_ownership_waiter_for_testing( |
| std::unique_ptr<user_manager::DeviceOwnershipWaiter> |
| device_ownership_waiter) { |
| browser_launcher_.set_device_ownership_waiter_for_testing( // IN-TEST |
| std::move(device_ownership_waiter)); |
| } |
| |
| void BrowserManager::set_relaunch_requested_for_testing( |
| bool relaunch_requested) { |
| CHECK_IS_TEST(); |
| relaunch_requested_ = relaunch_requested; |
| } |
| |
| void BrowserManager::SetState(State state) { |
| if (state_ == state) { |
| return; |
| } |
| state_ = state; |
| |
| for (auto& observer : observers_) { |
| observer.OnStateChanged(); |
| } |
| } |
| |
| std::unique_ptr<BrowserManagerScopedKeepAlive> BrowserManager::KeepAlive( |
| Feature feature) { |
| // Using new explicitly because BrowserManagerScopedKeepAlive's |
| // constructor is private. |
| return base::WrapUnique(new BrowserManagerScopedKeepAlive(this, feature)); |
| } |
| |
| BrowserManager::BrowserServiceInfo::BrowserServiceInfo( |
| mojo::RemoteSetElementId mojo_id, |
| mojom::BrowserService* service, |
| uint32_t interface_version) |
| : mojo_id(mojo_id), |
| service(service), |
| interface_version(interface_version) {} |
| |
| BrowserManager::BrowserServiceInfo::BrowserServiceInfo( |
| const BrowserServiceInfo&) = default; |
| BrowserManager::BrowserServiceInfo& |
| BrowserManager::BrowserServiceInfo::operator=(const BrowserServiceInfo&) = |
| default; |
| BrowserManager::BrowserServiceInfo::~BrowserServiceInfo() = default; |
| |
| void BrowserManager::Start(bool launching_at_login_screen) { |
| DCHECK_EQ(state_, State::STOPPED); |
| DCHECK(!shutdown_requested_); |
| DCHECK(!lacros_path_.empty()); |
| DCHECK(lacros_selection_.has_value()); |
| |
| if (!launching_at_login_screen) { |
| DCHECK(browser_util::IsLacrosAllowedToLaunch()); |
| } |
| |
| if (version_service_delegate_->IsNewerBrowserAvailable() && |
| should_attempt_update_) { |
| SetState(State::MOUNTING); |
| lacros_path_ = base::FilePath(); |
| lacros_selection_ = std::nullopt; |
| should_attempt_update_ = false; |
| // OnLoadComplete will call Start again. |
| browser_loader_->Load(base::BindOnce(&BrowserManager::OnLoadComplete, |
| weak_factory_.GetWeakPtr(), |
| launching_at_login_screen)); |
| return; |
| } |
| should_attempt_update_ = true; |
| |
| // Always reset the |relaunch_requested_| flag when launching Lacros. |
| relaunch_requested_ = false; |
| |
| SetState(State::PREPARING_FOR_LAUNCH); |
| |
| // Ensures that this is the first time to initialize `crosapi_id` before |
| // calling `browser_launcher_.Launch`. |
| CHECK(!crosapi_id_.has_value()); |
| CHECK(lacros_selection_.has_value()); |
| |
| // Lacros-chrome starts with kNormal type |
| // TODO(crbug.com/1289736): When `LacrosThreadTypeDelegate` becomes usable, |
| // `options.pre_exec_delegate` should be assigned a `LacrosThreadTypeDelegate` |
| // object. |
| browser_launcher_.Launch( |
| lacros_path_, launching_at_login_screen, lacros_selection_.value(), |
| base::BindOnce(&BrowserManager::OnMojoDisconnected, |
| weak_factory_.GetWeakPtr()), |
| keep_alive_features_.empty(), |
| base::BindOnce(&BrowserManager::OnLaunchComplete, |
| weak_factory_.GetWeakPtr(), launching_at_login_screen)); |
| } |
| |
| void BrowserManager::OnLaunchComplete( |
| bool launching_at_login_screen, |
| base::expected<BrowserLauncher::LaunchResults, |
| BrowserLauncher::LaunchFailureReason> launch_results) { |
| CHECK_EQ(state_, State::PREPARING_FOR_LAUNCH); |
| |
| if (!launch_results.has_value()) { |
| switch (launch_results.error()) { |
| case BrowserLauncher::LaunchFailureReason::kUnknown: |
| // We give up, as this is most likely a permanent problem. |
| SetState(State::UNAVAILABLE); |
| return; |
| case BrowserLauncher::LaunchFailureReason::kShutdownRequested: |
| LOG(ERROR) << "Start attempted after Shutdown() called."; |
| SetState(State::STOPPED); |
| return; |
| } |
| } |
| |
| crosapi_id_ = launch_results->crosapi_id; |
| lacros_launch_time_ = launch_results->lacros_launch_time; |
| |
| SetState(launching_at_login_screen ? State::PRE_LAUNCHED : State::STARTING); |
| } |
| |
| void BrowserManager::EmitLoginPromptVisibleCalled() { |
| OnLoginPromptVisible(); |
| } |
| |
| void BrowserManager::PerformAction(std::unique_ptr<BrowserAction> action) { |
| BrowserAction* action_raw = action.get(); // We're `move`ing action below. |
| action_raw->Perform( |
| {browser_service_.value().service.get(), |
| browser_service_.value().interface_version}, |
| base::BindOnce(&BrowserManager::OnActionPerformed, |
| weak_factory_.GetWeakPtr(), std::move(action))); |
| } |
| |
| void BrowserManager::OnBrowserServiceConnected( |
| CrosapiId id, |
| mojo::RemoteSetElementId mojo_id, |
| mojom::BrowserService* browser_service, |
| uint32_t browser_service_version) { |
| if (id != crosapi_id_) { |
| // This BrowserService is unrelated to this instance. Skipping. |
| return; |
| } |
| |
| is_terminated_ = false; |
| |
| DCHECK(!browser_service_.has_value()); |
| browser_service_ = |
| BrowserServiceInfo{mojo_id, browser_service, browser_service_version}; |
| |
| if (!lacros_resume_time_.is_null()) { |
| // When pre-launching Lacros at login screen, it would be misleading to |
| // measure the start time from when the moment the binary was launched, |
| // as that would include the time spent idle at login screen. |
| // We record a different metric instead, which measures the time from |
| // when Lacros is resumed to when the browser service is connected. |
| base::UmaHistogramMediumTimes("ChromeOS.Lacros.ResumeTime", |
| base::TimeTicks::Now() - lacros_resume_time_); |
| } else { |
| base::UmaHistogramMediumTimes("ChromeOS.Lacros.StartTime", |
| base::TimeTicks::Now() - lacros_launch_time_); |
| } |
| |
| // Set the launch-on-login pref every time lacros-chrome successfully starts, |
| // instead of once during ash-chrome shutdown, so we have the right value |
| // even if ash-chrome crashes. |
| SetLaunchOnLoginPref(true); |
| LOG(WARNING) << "Connection to lacros-chrome is established."; |
| |
| DCHECK_EQ(state_, State::STARTING); |
| SetState(State::RUNNING); |
| |
| // There can be a chance that keep_alive status is updated between the |
| // process launching timing (where initial_keep_alive is set) and the |
| // crosapi mojo connection timing (i.e., this function). |
| // So, send it to lacros-chrome to update to fill the possible gap. |
| UpdateKeepAliveInBrowserIfNecessary(!keep_alive_features_.empty()); |
| |
| while (!pending_actions_.IsEmpty()) { |
| PerformAction(pending_actions_.Pop()); |
| DCHECK_EQ(state_, State::RUNNING); |
| } |
| } |
| |
| void BrowserManager::OnBrowserServiceDisconnected( |
| CrosapiId id, |
| mojo::RemoteSetElementId mojo_id) { |
| // No need to check CrosapiId here, because |mojo_id| is unique within a |
| // process. |
| if (browser_service_.has_value() && browser_service_->mojo_id == mojo_id) { |
| browser_service_.reset(); |
| } |
| } |
| |
| void BrowserManager::OnBrowserRelaunchRequested(CrosapiId id) { |
| if (id != crosapi_id_) { |
| return; |
| } |
| relaunch_requested_ = true; |
| } |
| |
| void BrowserManager::OnCoreConnected(policy::CloudPolicyCore* core) {} |
| |
| void BrowserManager::OnRefreshSchedulerStarted(policy::CloudPolicyCore* core) { |
| core->refresh_scheduler()->AddObserver(this); |
| } |
| |
| void BrowserManager::OnCoreDisconnecting(policy::CloudPolicyCore* core) {} |
| |
| void BrowserManager::OnCoreDestruction(policy::CloudPolicyCore* core) { |
| core->RemoveObserver(this); |
| } |
| |
| void BrowserManager::OnMojoDisconnected() { |
| LOG(WARNING) |
| << "Mojo to lacros-chrome is disconnected. Terminating lacros-chrome"; |
| SetState(State::WAITING_FOR_PROCESS_TERMINATED); |
| EnsureLacrosChromeTermination(base::Seconds(5)); |
| for (auto& observer : observers_) { |
| observer.OnMojoDisconnected(); |
| } |
| } |
| |
| void BrowserManager::EnsureLacrosChromeTermination(base::TimeDelta timeout) { |
| // This may be called following a synchronous termination in `Shutdown()` or |
| // when the mojo pipe with the lacros-chrome process has disconnected. Early |
| // return if already handling lacros-chrome termination. |
| if (!browser_launcher_.IsProcessValid()) { |
| return; |
| } |
| CHECK_EQ(state_, State::WAITING_FOR_PROCESS_TERMINATED); |
| |
| browser_service_.reset(); |
| crosapi_id_.reset(); |
| browser_launcher_.EnsureProcessTerminated( |
| base::BindOnce(&BrowserManager::OnLacrosChromeTerminated, |
| weak_factory_.GetWeakPtr()), |
| timeout); |
| } |
| |
| void BrowserManager::HandleReload() { |
| DCHECK(reload_requested_); |
| DCHECK(!relaunch_requested_); |
| DCHECK(!unload_requested_); |
| DCHECK_EQ(state_, State::STOPPED); |
| |
| // Reset BrowserManager's state. |
| CHECK(!browser_launcher_.IsProcessValid()); |
| reload_requested_ = false; |
| should_attempt_update_ = true; |
| SetState(State::RELOADING); |
| |
| // Reload and possibly relaunch Lacros. |
| InitializeAndStartIfNeeded(); |
| } |
| |
| void BrowserManager::OnLacrosChromeTerminated() { |
| CHECK(state_ == State::WAITING_FOR_PROCESS_TERMINATED || |
| state_ == State::WAITING_FOR_MOJO_DISCONNECTED); |
| LOG(WARNING) << "Lacros-chrome is terminated"; |
| is_terminated_ = true; |
| SetState(State::STOPPED); |
| |
| if (!reload_requested_) { |
| auto* primary_user = user_manager::UserManager::Get()->GetPrimaryUser(); |
| if (!(primary_user && primary_user->is_profile_created()) && |
| shutdown_requested_ && !shutdown_requested_while_prelaunched_) { |
| // TODO(andreaorru): We expect that the case in which the profile isn't |
| // initialized when shutting down only happens when prelaunching at login |
| // screen. Here we collect other instances. Remove once we verify there |
| // are no such cases. |
| base::debug::DumpWithoutCrashing(); |
| } |
| } |
| |
| if (reload_requested_) { |
| LOG(WARNING) << "Reloading Lacros-chrome"; |
| HandleReload(); |
| return; |
| } |
| |
| if (unload_requested_) { |
| LOG(WARNING) << "Unloading Lacros-chrome"; |
| DCHECK(!relaunch_requested_); |
| SetState(State::UNAVAILABLE); |
| browser_loader_->Unload(); |
| return; |
| } |
| |
| if (relaunch_requested_) { |
| pending_actions_.Push( |
| BrowserAction::OpenForFullRestore(/*skip_crash_restore=*/true)); |
| } |
| StartIfNeeded(); |
| } |
| |
| void BrowserManager::OnLoginPromptVisible() { |
| if (launch_at_login_screen_ && |
| session_manager::SessionManager::Get()->session_state() == |
| session_manager::SessionState::LOGIN_PRIMARY) { |
| PrelaunchAtLoginScreen(); |
| } |
| } |
| |
| void BrowserManager::OnSessionStateChanged() { |
| TRACE_EVENT0("login", "BrowserManager::OnSessionStateChanged"); |
| if (disabled_for_testing_) { |
| CHECK_IS_TEST(); |
| LOG(WARNING) |
| << "BrowserManager disabled for testing, entering UNAVAILABLE state"; |
| SetState(State::UNAVAILABLE); |
| return; |
| } |
| |
| // Wait for session to become active. |
| auto* session_manager = session_manager::SessionManager::Get(); |
| if (session_manager->session_state() != |
| session_manager::SessionState::ACTIVE) { |
| return; |
| } |
| |
| if (state_ == State::PRE_LAUNCHED) { |
| // Resume Lacros launch after login, if it was pre-launched. |
| ResumeLaunch(); |
| } else if (state_ == State::NOT_INITIALIZED) { |
| // Otherwise, just start Lacros normally, if appropriate. |
| InitializeAndStartIfNeeded(); |
| } |
| |
| // If "Go to files" on the migration error page was clicked, launch it here. |
| HandleGoToFiles(); |
| } |
| |
| void BrowserManager::OnStoreLoaded(policy::CloudPolicyStore* store) { |
| DCHECK(store); |
| |
| // A new policy got installed for the current user, so we need to pass it to |
| // the Lacros browser. |
| std::string policy_blob; |
| if (store->policy_fetch_response()) { |
| const bool success = |
| store->policy_fetch_response()->SerializeToString(&policy_blob); |
| DCHECK(success); |
| } |
| SetDeviceAccountPolicy(policy_blob); |
| } |
| |
| void BrowserManager::OnStoreError(policy::CloudPolicyStore* store) { |
| // Policy store failed, Lacros will use stale policy as well as Ash. |
| } |
| |
| void BrowserManager::OnStoreDestruction(policy::CloudPolicyStore* store) { |
| store->RemoveObserver(this); |
| } |
| |
| void BrowserManager::OnComponentPolicyUpdated( |
| const policy::ComponentPolicyMap& component_policy) { |
| if (browser_service_.has_value()) { |
| browser_service_->service->UpdateComponentPolicy( |
| policy::CopyComponentPolicyMap(component_policy)); |
| } |
| } |
| |
| void BrowserManager::OnComponentPolicyServiceDestruction( |
| policy::ComponentCloudPolicyService* service) { |
| service->RemoveObserver(this); |
| } |
| |
| void BrowserManager::OnFetchAttempt( |
| policy::CloudPolicyRefreshScheduler* scheduler) { |
| if (browser_service_.has_value()) { |
| browser_service_->service->NotifyPolicyFetchAttempt(); |
| } |
| } |
| |
| void BrowserManager::OnRefreshSchedulerDestruction( |
| policy::CloudPolicyRefreshScheduler* scheduler) { |
| scheduler->RemoveObserver(this); |
| } |
| |
| void BrowserManager::OnUserProfileCreated(const user_manager::User& user) { |
| // Ignore if `user` is not primary. |
| if (!user_manager::UserManager::Get()->IsPrimaryUser(&user)) { |
| return; |
| } |
| |
| // Record data version for primary user profile. |
| ash::standalone_browser::migrator_util::RecordDataVer( |
| g_browser_process->local_state(), user.username_hash(), |
| version_info::GetVersion()); |
| |
| // Check if Lacros is enabled for crash reporting. This must happen after the |
| // primary user has been set as priamry user state is used in when evaluating |
| // the correct value for IsLacrosEnabled(). |
| constexpr char kLacrosEnabledDataKey[] = "lacros-enabled"; |
| static crash_reporter::CrashKeyString<4> key(kLacrosEnabledDataKey); |
| key.Set(crosapi::browser_util::IsLacrosEnabled() ? "yes" : "no"); |
| } |
| |
| void BrowserManager::OnLoadComplete(bool launching_at_login_screen, |
| const base::FilePath& path, |
| LacrosSelection selection, |
| base::Version version) { |
| if (shutdown_requested_) { |
| LOG(ERROR) << "Load completed after Shutdown() called."; |
| return; |
| } |
| DCHECK_EQ(state_, State::MOUNTING); |
| |
| lacros_path_ = path; |
| lacros_selection_ = std::optional<LacrosSelection>(selection); |
| const bool success = !path.empty(); |
| SetState(success ? State::STOPPED : State::UNAVAILABLE); |
| // TODO(crbug.com/40801829): In the event the load operation failed, we should |
| // launch the last successfully loaded image. |
| for (auto& observer : observers_) { |
| observer.OnLoadComplete(success, version); |
| } |
| |
| StartIfNeeded(launching_at_login_screen); |
| } |
| |
| void BrowserManager::StartIfNeeded(bool launching_at_login_screen) { |
| if (state_ == State::STOPPED && !shutdown_requested_) { |
| if (launching_at_login_screen || !pending_actions_.IsEmpty() || |
| IsKeepAliveEnabled()) { |
| Start(launching_at_login_screen); |
| } |
| } |
| } |
| |
| void BrowserManager::ResumeLaunch() { |
| // NOTE: This method runs some of the operations that would have normally been |
| // executed in |InitializeAndStartIfNeeded| (we call |PrelaunchAtLoginScreen| |
| // instead) and |StartWithLogFile|, because they required the user to be |
| // logged in. |
| CHECK_EQ(state_, State::PRE_LAUNCHED); |
| DCHECK(user_manager::UserManager::Get()->IsUserLoggedIn()); |
| |
| // Ensure this isn't run multiple times. |
| ash::SessionManagerClient::Get()->RemoveObserver(this); |
| |
| // We need to keep track of which users on the device have Lacros enabled. |
| const bool is_lacros_enabled = browser_util::IsLacrosEnabled(); |
| RecordLacrosEnabledForPrimaryUser(is_lacros_enabled); |
| |
| // If Lacros is not enabled for the user, terminate it now. |
| if (!is_lacros_enabled) { |
| LOG(WARNING) << "Lacros is not enabled for the current user. " |
| "Terminating pre-launched instance"; |
| browser_launcher_.TriggerTerminate(/*exit_code=*/0); |
| SetState(State::WAITING_FOR_MOJO_DISCONNECTED); |
| // We need to tell the server that Lacros does not run in this session. |
| RecordLacrosLaunchModeAndMigrationStatus(); |
| unload_requested_ = true; |
| return; |
| } |
| |
| // If Lacros selection (rootfs/stateful) for this user is forced to a |
| // different value than the Lacros that was launched at login screen, |
| // we need to reload and relaunch the correct version of Lacros. |
| auto user_lacros_selection = browser_util::DetermineLacrosSelection(); |
| if (user_lacros_selection.has_value() && |
| lacros_selection_ != LacrosSelection::kDeployedLocally && |
| lacros_selection_ != user_lacros_selection) { |
| LOG(WARNING) |
| << "Mismatching Lacros selection between login screen and user. " |
| "User selection: " |
| << static_cast<int>(user_lacros_selection.value()) << ". " |
| << "Terminating pre-launched instance"; |
| // Note: No need to trigger the LaunchMode recording now as we do that upon |
| // the relaunch. |
| reload_requested_ = true; |
| browser_launcher_.TriggerTerminate(/*exit_code=*/0); |
| SetState(State::WAITING_FOR_MOJO_DISCONNECTED); |
| return; |
| } |
| |
| LOG(WARNING) << "Resuming lacros-chrome launch"; |
| |
| // Once Lacros starts and BrowserService is connected, |
| // the following action will be executed. |
| pending_actions_.Push(BrowserAction::GetActionForSessionStart()); |
| |
| browser_launcher_.ResumeLaunch(base::BindOnce( |
| &BrowserManager::OnResumeLaunchComplete, weak_factory_.GetWeakPtr())); |
| } |
| |
| void BrowserManager::OnResumeLaunchComplete( |
| base::expected<base::TimeTicks, BrowserLauncher::LaunchFailureReason> |
| resume_time) { |
| CHECK_EQ(state_, State::PRE_LAUNCHED); |
| |
| if (!resume_time.has_value()) { |
| switch (resume_time.error()) { |
| case BrowserLauncher::LaunchFailureReason::kShutdownRequested: |
| LOG(ERROR) << "Shutdown() called during resuming launch."; |
| SetState(State::STOPPED); |
| return; |
| case BrowserLauncher::LaunchFailureReason::kUnknown: |
| NOTREACHED(); |
| return; |
| } |
| } |
| |
| lacros_resume_time_ = resume_time.value(); |
| |
| // Lacros launch is unblocked now. |
| SetState(State::STARTING); |
| |
| PrepareLacrosPolicies(this); |
| |
| // Perform the UMA recording for the current Lacros launch mode and migration |
| // status. |
| RecordLacrosLaunchModeAndMigrationStatus(); |
| |
| crosapi::lacros_startup_state::SetLacrosStartupState(true); |
| |
| // Post `DryRunToCollectUMA()` to send UMA stats about sizes of files/dirs |
| // inside the profile data directory. |
| base::ThreadPool::PostTask( |
| FROM_HERE, |
| {base::MayBlock(), base::TaskShutdownBehavior::CONTINUE_ON_SHUTDOWN}, |
| base::BindOnce(&ash::browser_data_migrator_util::DryRunToCollectUMA, |
| ProfileManager::GetPrimaryUserProfile()->GetPath())); |
| } |
| |
| void BrowserManager::HandleGoToFiles() { |
| // If "Go to files" on the migration error page was clicked, launch it here. |
| Profile* profile = ProfileManager::GetPrimaryUserProfile(); |
| std::string user_id_hash = |
| ash::BrowserContextHelper::GetUserIdHashFromBrowserContext(profile); |
| if (browser_util::WasGotoFilesClicked(g_browser_process->local_state(), |
| user_id_hash)) { |
| files_app_launcher_ = std::make_unique<FilesAppLauncher>( |
| apps::AppServiceProxyFactory::GetForProfile(profile)); |
| files_app_launcher_->Launch(base::BindOnce( |
| browser_util::ClearGotoFilesClicked, g_browser_process->local_state(), |
| std::move(user_id_hash))); |
| } |
| } |
| |
| void BrowserManager::SetDeviceAccountPolicy(const std::string& policy_blob) { |
| if (browser_service_.has_value()) { |
| browser_service_->service->UpdateDeviceAccountPolicy( |
| std::vector<uint8_t>(policy_blob.begin(), policy_blob.end())); |
| } |
| } |
| |
| void BrowserManager::StartKeepAlive(Feature feature) { |
| DCHECK(browser_util::IsLacrosEnabled()); |
| |
| if (IsKeepAliveDisabledForTesting()) { |
| return; |
| } |
| |
| auto insertion = keep_alive_features_.insert(feature); |
| // Features should never be double registered. |
| // TODO(b/278643115): Replace if-statement with a (D)CHECK once browser tests |
| // no longer use multiple user managers. |
| if (!insertion.second) { |
| CHECK_IS_TEST(); |
| } |
| |
| // If this is first KeepAlive instance, update the keep-alive in the browser. |
| if (keep_alive_features_.size() == 1) { |
| UpdateKeepAliveInBrowserIfNecessary(true); |
| } |
| StartIfNeeded(); |
| } |
| |
| void BrowserManager::StopKeepAlive(Feature feature) { |
| keep_alive_features_.erase(feature); |
| if (!IsKeepAliveEnabled()) { |
| UpdateKeepAliveInBrowserIfNecessary(false); |
| } |
| } |
| |
| bool BrowserManager::IsKeepAliveEnabled() const { |
| return !keep_alive_features_.empty(); |
| } |
| |
| void BrowserManager::UpdateKeepAliveInBrowserIfNecessary(bool enabled) { |
| if (shutdown_requested_ || !browser_service_.has_value()) { |
| // Shutdown has started or the browser is not running now. Just give up. |
| return; |
| } |
| CHECK_GE(browser_service_->interface_version, |
| crosapi::mojom::BrowserService::kUpdateKeepAliveMinVersion); |
| browser_service_->service->UpdateKeepAlive(enabled); |
| } |
| |
| void BrowserManager::SetLacrosMigrationStatus() { |
| const std::optional<browser_util::MigrationStatus> status = |
| browser_util::GetMigrationStatus(); |
| |
| if (!status.has_value()) { |
| // This should only happen in tests. |
| return; |
| } |
| |
| CHECK(!migration_status_.has_value() || *migration_status_ == *status) |
| << "Lacros migration status should not change in-session."; |
| |
| migration_status_ = status; |
| } |
| |
| void BrowserManager::SetLacrosLaunchMode() { |
| LacrosLaunchMode lacros_mode; |
| LacrosLaunchModeAndSource lacros_mode_and_source; |
| |
| if (!browser_util::IsAshWebBrowserEnabled()) { |
| // As Ash is disabled, Lacros is the only available browser. |
| lacros_mode = LacrosLaunchMode::kLacrosOnly; |
| lacros_mode_and_source = |
| LacrosLaunchModeAndSource::kPossiblySetByUserLacrosOnly; |
| } else { |
| lacros_mode = LacrosLaunchMode::kLacrosDisabled; |
| lacros_mode_and_source = |
| LacrosLaunchModeAndSource::kPossiblySetByUserLacrosDisabled; |
| } |
| |
| crosapi::browser_util::LacrosLaunchSwitchSource source = |
| crosapi::browser_util::GetLacrosLaunchSwitchSource(); |
| |
| // Make sure we have always the policy loaded before we get here. |
| DCHECK(source != crosapi::browser_util::LacrosLaunchSwitchSource::kUnknown); |
| |
| LacrosLaunchModeAndSource source_offset; |
| if (source == |
| crosapi::browser_util::LacrosLaunchSwitchSource::kPossiblySetByUser) { |
| source_offset = LacrosLaunchModeAndSource::kPossiblySetByUserLacrosDisabled; |
| } else if (source == |
| crosapi::browser_util::LacrosLaunchSwitchSource::kForcedByUser) { |
| source_offset = LacrosLaunchModeAndSource::kForcedByUserLacrosDisabled; |
| } else { |
| source_offset = LacrosLaunchModeAndSource::kForcedByPolicyLacrosDisabled; |
| } |
| |
| // The states are comprised of the basic four Lacros options and the |
| // source of the mode selection (By user, by Policy, by System). These |
| // combinations are "nibbled together" here in one status value. |
| lacros_mode_and_source = static_cast<LacrosLaunchModeAndSource>( |
| static_cast<int>(source_offset) + |
| static_cast<int>(lacros_mode_and_source)); |
| |
| LOG(WARNING) << "Using LacrosLaunchModeAndSource " |
| << static_cast<int>(lacros_mode_and_source); |
| |
| if (!lacros_mode_.has_value() || !lacros_mode_and_source_.has_value() || |
| lacros_mode != *lacros_mode_ || |
| lacros_mode_and_source != *lacros_mode_and_source_) { |
| // Remember new values. |
| lacros_mode_ = lacros_mode; |
| lacros_mode_and_source_ = lacros_mode_and_source; |
| } |
| } |
| |
| void BrowserManager::RecordLacrosLaunchModeAndMigrationStatus() { |
| SetLacrosMigrationStatus(); |
| if (!migration_status_.has_value()) { |
| // `SetLacrosMigrationStatus()` does not set `migration_status_` if primary |
| // user is not yet set at the time of calling (see |
| // `browser_util::GetMigrationMode()` for details). This should only happen |
| // in tests. |
| CHECK_IS_TEST(); |
| return; |
| } |
| SetLacrosLaunchMode(); |
| |
| base::UmaHistogramEnumeration("Ash.Lacros.Launch.Mode", *lacros_mode_); |
| base::UmaHistogramEnumeration("Ash.Lacros.Launch.ModeAndSource", |
| *lacros_mode_and_source_); |
| base::UmaHistogramEnumeration(kLacrosMigrationStatus, *migration_status_); |
| |
| // Call our Daily reporting once now to make sure we have an event. If it's a |
| // dupe, the server will de-dupe. |
| OnDailyLaunchModeAndMigrationStatusTimer(); |
| if (!daily_event_timer_.IsRunning()) { |
| daily_event_timer_.Start( |
| FROM_HERE, kDailyLaunchModeTimeDelta, this, |
| &BrowserManager::OnDailyLaunchModeAndMigrationStatusTimer); |
| } |
| } |
| |
| void BrowserManager::PerformOrEnqueue(std::unique_ptr<BrowserAction> action) { |
| if (shutdown_requested_) { |
| LOG(WARNING) << "lacros-chrome is preparing for system shutdown"; |
| // The whole system is shutting down, so there is no point in queueing the |
| // request for later. |
| action->Cancel(mojom::CreationResult::kBrowserNotRunning); |
| return; |
| } |
| |
| switch (state_) { |
| case State::UNAVAILABLE: |
| LOG(ERROR) << "lacros unavailable"; |
| // We cannot recover from this, so there is no point in queueing the |
| // request for later. |
| action->Cancel(mojom::CreationResult::kBrowserNotRunning); |
| return; |
| |
| case State::NOT_INITIALIZED: |
| case State::RELOADING: |
| case State::MOUNTING: |
| LOG(WARNING) << "lacros component image not yet available"; |
| pending_actions_.PushOrCancel(std::move(action), |
| mojom::CreationResult::kBrowserNotRunning); |
| return; |
| |
| case State::WAITING_FOR_MOJO_DISCONNECTED: |
| case State::WAITING_FOR_PROCESS_TERMINATED: |
| LOG(WARNING) << "lacros-chrome is terminating, so cannot start now"; |
| pending_actions_.PushOrCancel(std::move(action), |
| mojom::CreationResult::kBrowserNotRunning); |
| return; |
| |
| case State::PREPARING_FOR_LAUNCH: |
| LOG(WARNING) << "lacros-chrome is preparing for launch"; |
| pending_actions_.PushOrCancel(std::move(action), |
| mojom::CreationResult::kBrowserNotRunning); |
| return; |
| |
| case State::PRE_LAUNCHED: |
| case State::STARTING: |
| LOG(WARNING) << "lacros-chrome is in the process of launching"; |
| pending_actions_.PushOrCancel(std::move(action), |
| mojom::CreationResult::kBrowserNotRunning); |
| return; |
| |
| case State::STOPPED: |
| DCHECK(!IsKeepAliveEnabled()); |
| DCHECK(pending_actions_.IsEmpty()); |
| pending_actions_.PushOrCancel(std::move(action), |
| mojom::CreationResult::kBrowserNotRunning); |
| StartIfNeeded(); |
| return; |
| |
| case State::RUNNING: |
| if (!browser_service_.has_value()) { |
| LOG(ERROR) << "BrowserService was disconnected"; |
| // We expect that OnMojoDisconnected will get called very soon, which |
| // will transition us to STOPPED state. Hence it's okay to enqueue the |
| // action. |
| pending_actions_.PushOrCancel( |
| std::move(action), mojom::CreationResult::kServiceDisconnected); |
| return; |
| } |
| PerformAction(std::move(action)); |
| return; |
| } |
| } |
| |
| void BrowserManager::OnActionPerformed(std::unique_ptr<BrowserAction> action, |
| bool retry) { |
| if (retry) { |
| PerformOrEnqueue(std::move(action)); |
| } |
| } |
| |
| // Callback called when the daily event happens. |
| void BrowserManager::OnDailyLaunchModeAndMigrationStatusTimer() { |
| base::UmaHistogramEnumeration(kLacrosMigrationStatusDaily, |
| *migration_status_); |
| base::UmaHistogramEnumeration(kLacrosLaunchModeDaily, *lacros_mode_); |
| base::UmaHistogramEnumeration(kLacrosLaunchModeAndSourceDaily, |
| *lacros_mode_and_source_); |
| } |
| |
| // static |
| void BrowserManager::DisableForTesting() { |
| CHECK_IS_TEST(); |
| g_disabled_for_testing = true; |
| } |
| |
| // static |
| void BrowserManager::EnableForTesting() { |
| CHECK_IS_TEST(); |
| g_disabled_for_testing = false; |
| } |
| |
| BrowserManager::ScopedUnsetAllKeepAliveForTesting:: |
| ScopedUnsetAllKeepAliveForTesting(BrowserManager* manager) |
| : manager_(manager) { |
| previous_keep_alive_features_ = std::move(manager_->keep_alive_features_); |
| manager_->keep_alive_features_.clear(); |
| manager_->UpdateKeepAliveInBrowserIfNecessary(false); |
| } |
| |
| BrowserManager::ScopedUnsetAllKeepAliveForTesting:: |
| ~ScopedUnsetAllKeepAliveForTesting() { |
| manager_->keep_alive_features_ = std::move(previous_keep_alive_features_); |
| manager_->UpdateKeepAliveInBrowserIfNecessary( |
| !manager_->keep_alive_features_.empty()); |
| } |
| |
| void BrowserManager::KillLacrosForTesting() { |
| browser_launcher_.TriggerTerminate(/*exit_code=*/1); |
| } |
| |
| } // namespace crosapi |